MS Electronics WMPD3 Product Manual

3-wire wall mounted pir occupancy switch

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WMPD3
WMPAD3
WAPIR
Product Guide
3-Wire Wall Mounted PIR
Occupancy Switch
today, tomorrow and in the future
mselectronics.co.uk

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Summary of Contents for MS Electronics WMPD3

  • Page 1 WMPD3 WMPAD3 WAPIR Product Guide 3-Wire Wall Mounted PIR Occupancy Switch today, tomorrow and in the future mselectronics.co.uk...
  • Page 2: Product Overview

    Product Overview The 3-wire wall or ceiling mounted passive infra-red occupancy switch (WAPIR) should be wall mounted at a location where a neutral connection is available. The WAPIR incorporates a passive infra-red quad sensor to detect movement of a warm body within the detection zone (diagram B or C) and a photocell to monitor the ambient light level.
  • Page 3: Installation Procedure

    Installation Procedure All electrical installation and maintenance must be carried out by a competent person. If in doubt, consult a qualified electrician. Any new wiring must be carried out by qualified personnel in accordance with the current edition of the IET Wiring Regulations (BS7671). Ensure the electrical supply is isolated before making any connections or adjustments.
  • Page 4 WAPIR Issue 1.0...
  • Page 5 Volt Free Variant VF Switches a secondary signal rather than the supply voltage. WAPIR Issue 1.0...
  • Page 6 Relay Logic Diagrams WAPIR Issue 1.0...
  • Page 7: Fault Finding

    Fault Finding: The load will not switch on: ❖ The LUX adjuster is set too low and is inhibiting the switch. ❖ The moving body is not emitting more than the background (person wearing insulating clothing in a warm environment). ❖...
  • Page 8 Product Warranty MS Electronics guarantees all their products against manufacturing defects for 5 years from the purchase date. If your product is found to be faulty, MS Electronics will, at their discretion, repair or replace the product free of charge.

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Wmpad3Wapir

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